`+` | [add](weight.add.ipynb) | Sum |

`*` | [multiply](weight.multiply.ipynb) | Product |

`**` | [multiply](weight.multiply.ipynb) | Repeated multiplication |

`&` | [conjunction](weight.conjunction.ipynb) | Conjunction |

`/` | [ldivide](weight.ldivide.ipynb) | Left quotient |

`//` | [rdivide](weight.rdivide.ipynb) | Right quotient |